Who is the lead singer of ccr?

CCR - Creedence Clearwater Revival or just Creedence was an American rock band, which consisted of John Fogerty (vocals, guitar, harmonica, piano), Tom Fogerty (guitar, vocals, piano), Stu Cook (bass, vocals), and Doug Clifford (drums, percussion, vocals). John Fogerty was the lead vocals for most of the songs but brothers were also sharing many songs, eg. Susie Q - John sings the first and third stanzas while Tom sings the second stanza.